Red Hat Security Advisory: libtiff security update
The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files. Security Fix(es): * libtiff: LibTIFF Use-After-Free Vulnerability (CVE-2025-8176) * libtiff: Libtiff Write-What-Where (CVE-2025-9900) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
The libtiff library in Red Hat Enterprise Linux 9 and related CodeReady Linux Builder products contains two security vulnerabilities: CVE-2025-8176, a Use-After-Free vulnerability, and CVE-2025-9900, a Write-What-Where vulnerability. These issues could potentially allow an attacker to manipulate memory in unintended ways. Red Hat has released updated libtiff packages to address these vulnerabilities as detailed in advisory RHSA-2025:20956.
Potential Impact
The vulnerabilities could allow attackers to exploit memory corruption issues in libtiff, potentially leading to arbitrary code execution or denial of service. The advisory rates the impact as Important, indicating a high security risk if unpatched. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated libtiff packages for Red Hat Enterprise Linux 9 and related products to fix these vulnerabilities. Users should apply the official security update as described in Red Hat advisory RHSA-2025:20956 and the referenced update article (https://access.redhat.com/articles/11258). No additional mitigations are indicated by the vendor.
Red Hat Security Advisory: libtiff security update
Description
The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files. Security Fix(es): * libtiff: LibTIFF Use-After-Free Vulnerability (CVE-2025-8176) * libtiff: Libtiff Write-What-Where (CVE-2025-9900) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libtiff library in Red Hat Enterprise Linux 9 and related CodeReady Linux Builder products contains two security vulnerabilities: CVE-2025-8176, a Use-After-Free vulnerability, and CVE-2025-9900, a Write-What-Where vulnerability. These issues could potentially allow an attacker to manipulate memory in unintended ways. Red Hat has released updated libtiff packages to address these vulnerabilities as detailed in advisory RHSA-2025:20956.
Potential Impact
The vulnerabilities could allow attackers to exploit memory corruption issues in libtiff, potentially leading to arbitrary code execution or denial of service. The advisory rates the impact as Important, indicating a high security risk if unpatched. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated libtiff packages for Red Hat Enterprise Linux 9 and related products to fix these vulnerabilities. Users should apply the official security update as described in Red Hat advisory RHSA-2025:20956 and the referenced update article (https://access.redhat.com/articles/11258). No additional mitigations are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:20956
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-9900"]
Threat ID: 6a3cc2984853345fc16d1f4c
Added to database: 06/25/2026, 05:54:32 UTC
Last enriched: 07/12/2026, 11:13:40 UTC
Last updated: 09/10/2026, 19:36:52 UTC
Views: 38
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